Does anyone know the HTML code for a grayscale hover effect for an image?

Answer 1

Here's an HTML snippet:



That will apply to all images on the HTML page, if you want to affect just one image, something like this should work, except in Firefox:

Answer 2

There is no way HTML can do the gray scaling for you, you have to have both the image and the gray scaled image... if you already have both then simple javascript can do the image swapping...